Elasticsearch version (bin/elasticsearch --version): master, various 7.x versions

Plugins installed: N/A

JVM version (java -version): N/A

OS version (uname -a if on a Unix-like system): N/A

Description of the problem including expected versus actual behavior:

In SnapshotsService#shards we assume that if an index has metadata in the cluster state then

When using right Y-axis, the first (rightmost) legend label is hard to click. Only a small fraction on the left side of the label is actually clickable. Almost impossible to hit on touch devices.

I assume this is due to the negative margin of the parent item (<div class="view" ...>)

![recording](https://user-images.githubusercontent.com/12658837/93191834-46273480-f745-11ea-8eb8-3c9921a5b

We've noticed the external docs https://www.elastic.co/guide/en/kibana/current/external-plugin-localization.html have broken links.

As suggested in the ESM guidelines of Node.js it would be good to explicit the type of the module.

{
+  "type": "commonjs",
}